Nomenclature Secondary Object Term
Engine, SteamNomenclature Secondary Object Term
Generator, SteamNomenclature Primary Object Term
ModelNomenclature Primary Object Term
EngineNomenclature Primary Object Term
GeneratorNomenclature Sub-Class
Other DocumentsNomenclature Sub-Class
Power Producing EquipmentNomenclature Class
Documentary ObjectsNomenclature Class
Energy Production T&ENomenclature Category
Category 08: Communication ObjectsNomenclature Category
Category 05: Tools & Equipment for Science & Technology
